1,724 software engineer backend jobs at 754 companies in California

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
2mo
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Backend Software Engineer
San Francisco, California, United States
$125k-$150k/yr OnsiteFull Time
Lumafield
Lumafield: Accessible industrial CT scanners and cloud-based analysis software
2+ YOEBachelor's degree in Engineering or related field; 2+ years Python backend experience with web frameworks; experience with large dataset processing; strong software engineering fundamentals; team collaboration; Linux, Docker, production deployments.
Python, Django, Django Rest Framework, Celery, AWS (EKS, S3, CloudFront), Docker, Kubernetes, Linux
2w
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Backend Software Engineer
San Francisco, California, United States
$100k-$130k/yr HybridFull Time
Ketch
Ketch: Data permissioning platform for automated privacy and compliance.
1+ YOE1+ year software engineering experience; strong backend development in Golang (or Java/Python/Scala); experience with cloud-native production systems, distributed systems, CI/CD, and databases; strong communication and collaboration skills.
Golang, Java, Python, Scala, AWS, GCP, Azure, Github Actions, Redis, Cassandra, DynamoDB, ScyllaDB, Postgres, ElasticSearch, git, GitHub, Kubernetes
3mo
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Backend Software Engineer (Golang)
Austin or San Diego
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
3+ YOEBackend software engineer with 3+ years in Go/Java/Python, CS/CE degree, scalable cloud services, collaborative.
Go, Java, Python
2d
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Senior Backend Software Engineer
Los Angeles, California, United States
$167k-$230k/yr OnsiteFull Time
Otter
Otter: Software for restaurants to manage and grow online orders.
3+ YOEBachelor's in Computer Science or equivalent, 3+ years software engineering experience, strong backend system design, APIs, microservices, databases, and cloud platform experience.
Java, Go, PostgreSQL, MongoDB, Redis, AWS, Google Cloud, Azure
2d
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Senior Backend Software Engineer
Los Angeles, California, United States
$167k-$230k/yr OnsiteFull Time
Atoms
Atoms: Building robotics and software to automate physical world industries.
3+ YOEBachelor's in CS or equivalent,3+ years software engineering experience,strong backend design and distributed systems knowledge,experience with Java/Go,databases and cloud platforms.
Java, Go, PostgreSQL, MongoDB, Redis, AWS, Google Cloud, Azure
2mo
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Software Engineer, Backend
San Francisco, California, United States
$140k-$185k/yr HybridFull Time
Sleeper: Mobile platform for fantasy sports leagues and fan communities.
3+ YOE3+ years backend software engineering; distributed systems; proficient in Go, Python, Node.js, or Java; SQL/NoSQL databases; REST/GraphQL; AWS/GCP; Docker; Kubernetes; strong collaboration.
Go, Python, Node.js, Java, SQL, NoSQL, Kafka, RabbitMQ, Pub/Sub, REST, GraphQL, AWS, GCP, Docker, Kubernetes
1w
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Backend Software Engineer
United States or Goleta
$123k-$170k/yr HybridFull Time
Roper Technologies
Roper TechnologiesNASDAQ: ROP: Provides niche vertical software and technology-enabled solutions.
5+ YOE5+ years backend experience with C#/.NET and SQL; bachelor\u0002s degree in CS or related field; strong skills in concurrent processing, API and data pipeline design, and clear technical communication.
C#, .NET, SQL Server, SQL
2mo
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Senior Software Engineer, Backend
San Francisco, California, United States
OnsiteFull Time
Kiddom
Kiddom: Provides a digital curriculum and instructional platform for schools.
6+ YOEBS or MS in Computer Science; 6+ years software engineering; experience with backend systems, databases, cloud, containers, and distributed architectures.
SQL, NoSQL, PostgreSQL, MySQL, MongoDB, Redis, AWS, GCP, Azure, Docker, Kubernetes, Golang, Typescript, AWS Lambda, Terraform, Microservices, Distributed systems
1mo
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Backend Software Engineer
San Francisco, California, United States
$167k-$231k/yr HybridFull Time
Artos
Artos: AI-powered document authoring platform for life sciences R&D.
3+ YOE3+ years software development experience (AI/ML focus), BS/MS in CS/Engineering or equivalent, experience with GenAI, Python APIs (FastAPI/Django), containerized cloud deployments (Docker, AWS), CI/CD, and secure coding.
Python, FastAPI, Django, AWS, Docker, Terraform, Pulumi, React
6d
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Backend Software Engineer
San Francisco, California, United States
$130k-$220k/yr OnsiteFull Time
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
Experience building scalable backend services and cloud infrastructure, knowledge of Python, Azure, Terraform, Kubernetes, CI/CD; eligible U.S. Person able to obtain security clearance.
Python, Azure, Terraform, Kubernetes, CI/CD, TypeScript, React
2mo
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Backend Software Engineer
Santa Clara, California, United States
$140k-$205k/yr HybridFull Time
Kerrigan Robotics
Kerrigan Robotics: AI-powered orchestration platform for factory automation systems.
5+ YOE5+ years backend experience building distributed systems in Go; strong Docker and Kubernetes skills; familiarity with PostgreSQL, message brokers (NATS, RabbitMQ), gRPC/REST, CI/CD and Git.
Golang, Docker, Kubernetes, NATS, RabbitMQ, PostgreSQL, gRPC, REST, CI/CD, Git
1mo
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Backend Software Engineer
California, United States
$150k-$200k/yr HybridFull Time
Doxel
Doxel: AI-powered computer vision for construction progress tracking.
2+ YOE3+ years programming (Python, C++, TypeScript or functional languages); 2+ years backend/full-stack experience in cloud environments; 1+ year ETL/Airflow; PostgreSQL, SQL, Kubernetes, DuckDB, Wasm experience; Bachelor's in CS or related.
three.js, DuckDB, Airflow, PostgreSQL, Kubernetes, Python, C++, TypeScript, SQL, WebAssembly (Wasm)
2mo
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Backend Engineer
San Francisco, California, United States
$190k-$230k/yr OnsiteFull Time
Lapel
Lapel: Unifying customer data to power personalized service at scale.
3+ YOE3+ years backend or software engineering; API design; backend architecture; Node.js/Python/Go; PostgreSQL/MySQL; scalable systems; customer-focused.
Node.js, Python, Go, PostgreSQL, MySQL, TypeScript, Temporal, Pulsar
2w
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Senior Backend Software Engineer
Arkansas or California or Colorado or District of Columbia or Florida or Illinois or Massachusetts or Maryland or Maine or Michigan or New Jersey or Ohio or Pennsylvania or South Carolina or Texas or Utah or Virginia or Washington
$165k-$195k/yr RemoteFull Time
SITE Technologies
SITE Technologies: Provides AI-powered property condition assessments and management software.
5+ YOE5+ years backend development experience with Python and FastAPI, strong backend architecture, relational modeling, AWS services, Docker, CI/CD, and cross-team communication.
Python, FastAPI, PostgreSQL, SQLAlchemy, Alembic, Flyway, AWS, ECS, Lambda, RDS, S3, IAM, Docker, Git, CI/CD, GitHub Actions, AWS CodePipeline, Claude Code, Cursor, Terraform, Terragrunt, Datadog, Sentry, LangGraph, Claude Code SDK, Amazon Bedrock
1mo
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Senior Backend Software Engineer
New York City or San Francisco
$100k-$200k/yr OnsiteFull Time
Alpaca Health
Alpaca Health: Enabling clinicians to launch and scale independent autism care clinics.
Senior backend engineer with strong system-design and ownership; builds integrations, billing/payments, data pipelines, and AI/LLM infrastructure. Experience in operationally complex domains (healthcare, fintech, insurance) or early-stage startups preferred.
Candid, Silna, Availity, HubSpot, LLM
2mo
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Software Engineer, Backend
San Francisco, California, United States
$180k-$310k/yr HybridFull Time
Gamma
Gamma: AI platform that generates presentations, documents, and websites from text.
3+ YOE3+ years building production backend systems; strong TypeScript/Node.js; distributed systems, databases, APIs; scalable systems; websockets/streaming nice to have.
TypeScript, Node.js, PostgreSQL, Redis, APIs
2mo
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Backend Cloud Software Engineer
Monrovia, California, United States
$90k-$115k/yr OnsiteFull Time
Ampure Charging Systems
Ampure Charging Systems: Designs and manufactures electric vehicle and industrial charging solutions.
4+ YOE4+ years backend development; BS/MS in CS/Software Eng; Python, Java, Node.js; AWS; API design; databases; distributed systems.
Python, Java, Node.js, AWS, REST, GraphQL, DynamoDB, Lambda, ECS, AppSync, Cognito, Docker, CloudFormation, AWS SAM, Jenkins, CodePipeline, IoT, SQS, WebSockets, MQTT, HTTP
1w
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Lead Backend Software Engineer
San Carlos, California, United States
$185k-$260k/yr HybridFull Time
Beacon AI
Beacon AI: Developing an AI-powered-pilot for safer flight operations.
5+ YOE5+ years building backend services and distributed systems, fluency in Python and JavaScript/TypeScript (Node.js), experience with data pipelines, production reliability, and US Person work authorization.
Python, JavaScript, TypeScript, Node.js
2mo
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Backend Software Engineer, Applied Foundations
San Francisco, California, United States
$185k-$385k/yr OnsiteFull Time
OpenAI
OpenAI: Develops artificial intelligence models and generative AI software services.
Experience with distributed systems, APIs, and backend languages; production backend services and data pipelines.
Go, Python, Rust, C++
1mo
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Software Engineer (Backend), Content Foundations
San Francisco or Atlanta or Austin or Boston or Chicago or Dallas or Denver or Houston or Jacksonville or Los Angeles or Mexico City or Miami or New York City or Ottawa or Phoenix or Portland or Sacramento or Salt Lake City or San Diego or Seattle or Toronto or Vancouver or Washington, D.C.
$104k-$187k/yr HybridFull Time
Scribd
Scribd: Subscription-based digital library for e-books, audiobooks, and documents.
4+ YOE4+ years as a software engineer; backend/data pipelines; comfortable with messy data; proficient in Ruby, Python, or Go; AWS experience; SQL; collaborative and communicative.
Ruby, Python, Go, AWS, S3, SQS, SNS, SQL